package com.icehand.servlet;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;
import java.sql.SQLException;

/**
 * durid 配置
 * Created by icehand on 2017/5/12.
 */
@Configuration
public class DruidConfiguration {
	@Bean
	public ServletRegistrationBean DruidStatViewServlet(){
		ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(
				new StatViewServlet(),"/druid/*"
		);

		//白名单：
//		servletRegistrationBean.addInitParameter("allow","127.0.0.1");
		//IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
//		servletRegistrationBean.addInitParameter("deny","192.168.1.73");
		//登录查看信息的账号密码.
		servletRegistrationBean.addInitParameter("loginUsername","icehand");
		servletRegistrationBean.addInitParameter("loginPassword","ysyhl9days");
		//是否能够重置数据.
		servletRegistrationBean.addInitParameter("resetEnable","false");

		return servletRegistrationBean;
	}

	@Bean
	public FilterRegistrationBean druidStatFilter(){
		FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(
				new WebStatFilter()
		);

		filterRegistrationBean.addUrlPatterns("/*");
		filterRegistrationBean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid2/*");
		return filterRegistrationBean;
	}

	/**
	 * 注册dataSource
	 * @param driver
	 * @param url
	 * @param username
	 * @param password
	 * @param maxActive
	 * @return
	 */
//	public DataSource druidDataSource(@Value("${spring.datasource.driverClassName}") String driver,
//	                                  @Value("${spring.datasource.url}") String url,
//	                                  @Value("${spring.datasource.username}") String username,
//	                                  @Value("${spring.datasource.password}") String password,
//	                                  @Value("${spring.datasource.maxActive}") int maxActive) {
//
//		DruidDataSource druidDataSource = new DruidDataSource();
//		druidDataSource.setDriverClassName(driver);
//		druidDataSource.setUrl(url);
//		druidDataSource.setUsername(username);
//		druidDataSource.setPassword(password);
//		druidDataSource.setMaxActive(maxActive);
//
//		System.out.println("DruidConfiguration.druidDataSource(),url="+url+",username="+username+",password="+password);
//
//		try {
//			druidDataSource.setFilters("stat, wall");
//		} catch (SQLException e) {
//			e.printStackTrace();
//		}
//
//		return druidDataSource;
//	}
}
